Greatly speed up sorted changeset calculations
Greatly speed up sorted changeset calculations

realm/realm-js,realm/realm-object-store,realm/realm-js,realm/realm-js,realm/realm-core,realm/realm-object-store,realm/realm-core,realm/realm-core,realm/realm-core,realm/realm-core,realm/realm-js,realm/realm-core,realm/realm-core,realm/realm-object-store,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js